Robert A. "Rob" Mandel

Christine Whalin is a criminal defense attorney at DM Cantor in Phoenix, Arizona. Born and raised in Arizona, she attended Northern Arizona University for her undergraduate education before earning her law degree. After passing the Arizona Bar Exam in 2006, she began her legal career focused on defending individuals accused of crimes. Christine joined DM Cantor in 2010 and became a partner in 2018. That same year, she earned Board Certification in Criminal Law through the State Bar of Arizona...

Kristin counsels and defends employers of all sizes and across a wide spectrum of industries with an emphasis on providing clients with proactive strategies to manage litigation risk and ensure compliance with complex and ever-changing employment laws. She is a trusted advisor, drawing on her knowledge of state and federal employment laws to counsel clients on a wide range of employment-related issues, including wage and hour issues, discrimination and harassment, employee leave issues, workp...

Linnette Flannigan is a lawyer recognized by Best Lawyers in the practice area of Workers' Compensation Law - Employers. Linnette practices law in Phoenix, Arizona Best Lawyers has recognized Linnette Flannigan since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Linnette Flannigan is held by other lawyers.

Known for his extensive work in corporate and business law, Michael Aguirre excels at helping organizations of all sizes and maturities address complex legal and business challenges. Michael has wide-ranging experience in corporate finance, mergers and acquisitions, and general business transactions, as well as counseling executive teams and boards on corporate governance and various corporate matters. He has also advised clients in complex state, federal, and local regulatory environments, i...

Ms. Miller represents management in all facets of labor and employment law and civil rights, including wage and hour law, employment discrimination law, wrongful termination, executive employment contracts, trade secrets/non-compete agreements, sexual harassment, drug and alcohol testing, and personnel policies and manuals. She also provides counseling to employers on litigation avoidance by concentrating on preventive measures and designing strategies to ensure compliance with state and fede...

Joe Roth is a member of the firm’s litigation group. Joe’s practice focuses on governmental investigations and litigation, complex commercial litigation, and appeals. Joe represents governmental agencies and officials, companies, and individuals in litigation and when being investigated by federal and state agencies. He also maintains an active complex commercial litigation practice, with a focus on securities and antitrust. Appeals are a significant part of Joe’s practice. ...

Theresa’s practice has been spent in fast-paced jury trials, employment and fair housing litigation, and appellate work. In her criminal practice, Theresa handled cases involving fraudulent schemes, tax fraud, real estate fraud, and racketeering. Theresa is a regular presenter to lawyers and the community on topics including Civil Rights, Harassment Free Work Environments, and the Rules of Evidence. Before joining Osborn Maledon, Theresa served as Section Chief Counsel for the Arizona A...

Diane M. Johnsen is a lawyer recognized by Best Lawyers in the practice areas of Appellate Practice, Commercial Litigation and Environmental Law. Diane M. practices law in Phoenix, Arizona Best Lawyers has recognized Diane M. Johnsen since 2005. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Diane M. Johnsen is held by other lawyers.

Lawrence I. Kazan is a lawyer recognized by Best Lawyers in the practice areas of Criminal Defense: General Practice and DUI / DWI Defense. Lawrence I. practices law in Phoenix, Arizona Best Lawyers has recognized Lawrence I. Kazan since 2003. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Lawrence I. Kazan is held by other lawyers.

Kevin is a shareholder, member of the Gallagher & Kennedy board of directors, and head of the firm’s litigation and public bidding and procurement departments. He is keenly attuned to the needs of his clients, developing strategy and implementing solutions that are singularly focused on their goals. Over his 30 year career, his litigation skills have been honed to a razor’s edge, and his civil litigation experience is extensive and far reaching, both in and out of the courtroo...